Home / 195,602.90-269,544.93-138,855.38

Finding the Fourth Proportional to 195,602.90, 269,544.93 and 138,855.38

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Solution

The fourth proportional to 195,602.90, 269,544.93 and 138,855.38 is: 191,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,602.90 : 269,544.93 = 138,855.38 : x
  2. Step 2: Convert to fraction form
    195,602.90/269,544.93 = 138,855.38/x
  3. Step 3: Cross multiply
    195,602.90x = 269,544.93 × 138,855.38
  4. Step 4: Simplify right side
    195,602.90x = 37,427,763,682.22
  5. Step 5: Solve for x
    x = 37,427,763,682.22/195,602.90
  6. Step 6: Final answer
    x = 191,345.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.